174
Number of pairs: 2 figures
Thermocouple: letters for type of cable (TC, JC, EC, KC, KCA, KCB,NC, RCA, RCB, SCA, SCB, BC)
TC – Copper/copper nickel for copper/coppernickel thermocouple
JC – Iron/copper nickel for iron/copper nickelthermocouple
EC – Nickel chromium/copper nickel for nickelchromium/copper nickel thermocouple
KC – Nickel chromium/nickel aluminium for nickelchromium/nickel aluminium thermocouple
KCA – Iron/copper nickel for nickel chromium/nickelaluminium thermocouple
KCB – Copper/copper nickel for nickel chromium/nickel aluminium thermocouple
NC – Nickel chromium silicium/nickel silicium for nickelchromium silicium/nickel silicium therm o c o u p l e
SC RC – Copper/copper nickel for platinium rhodiumthermocouple
BC – Copper/copper alloy for platinium rhodium/platinium rhodium thermocouple
Section: 10: 1,00 sqmm (14 x 0,3 mm) for single pair cables14: 1,34 sqmm (1 x 1,3 mm) for single pair cables05: 0,50 sqmm (1 x 0,8 mm) for mutipair cables
Screen:EG: Overall (collective) screenEI: Individual and collective screen. The individualscreens are insulated with PVC sheath.
Outer sheath: SF: non-armoured with PVC sheathFA: double steel tape armoured with crepe paper withPVC sheathPF: lead covered and armoured – lead cover anddouble steel tape armoured with crepe paper with PVCsheath.
Designation and identification
Due to the non-linear correspondence deg°C function of the electromotive force for thermocouple cables R, S and B, the errorexpressed in deg°C introduced by the compensation cables varies according to the measured temperature. The values indicatedabove correspond to normal use of these couples (that is to say, generally at measured temperatures exceeding 850°C.
Note: the maximum temperatures indicated above are the limit for couple connections - compensation cables from athermoelectric point of view take into account fixed tolerances. It is commonly accepted that couple-cable connections must notbe heated to temperature exceeding 80°C; this is the maximum admissible temperature for cables for this catalogue.
Tolerances
Number of pairs Thermocouple Section Screen Outer sheath
03 JC 05 EG FA
Cable Type Tolerance Temperature range Temperature maximumto be measured
JC ± 2.5°C - 25°C to + 200°C 500°CTC ± 1.0°C - 25°C to + 100°C 300°CEC ± 2.5°C - 25°C to + 200°C 500°CKC ± 2.5°C - 25°C to + 200°C 900°CKCA ± 2.5°C 0°C to + 150°C 900°CKCB ± 2.5°C 0°C to + 100°C 900°CNC ± 2.5°C 0°C to + 150°C 900°CRCA ± 2.5°C 0°C to + 100°C 1 000°CRCB ± 5.0°C 0°C to + 200°C 1 000°CSCA ± 2.5°C 0°C to + 100°C 1 000°CSCB ± 5.0°C 0°C to + 200°C 1 000°CBC ± 3.5°C 0°C to + 100°C 1 400°C
Example:
AFNOR NF M 87 201
